Select any two GPUs for comparison
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Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 770 SLI Radeon HD 7970 XFX Black Edition
Halo: Reach 70% 53%
Cyberpunk 2077 31% 103%
Red Dead Redemption 2 5% 48%
Dragon Ball Z Kakarot 41% 9%
Call of Duty: Modern Warfare 5% 48%
Microsoft Flight Simulator 31% 103%
Doom Eternal 18% 27%
Grand Theft Auto VI 46% 126%
FIFA 20 49% 21%
Need For Speed Heat 5% 48%

In terms of overall gaming performance, the graphical capabilities of the Nvidia GeForce GTX 770 SLI are significantly better than the AMD Radeon HD 7970 XFX Black Edition.

The GTX 770 has a 46 MHz higher core clock speed and 128 more Texture Mapping Units than the HD 7970. This results in the GTX 770 providing 139.8 GTexel/s better texturing performance. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GTX 770 has a 46 MHz higher core clock speed and 32 more Render Output Units than the HD 7970. This results in the GTX 770 providing 34.9 GPixel/s better pixeling performance. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GTX 770 was released over a year more recently than the HD 7970, and so the GTX 770 is likely to have better driver support, meaning it will be more optimized for running the latest games when compared to the HD 7970.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The GTX 770 has 1024 MB more video memory than the HD 7970, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the GTX 770 also has superior memory performance overall.

The GTX 770 has 174.9 GB/sec greater memory bandwidth than the HD 7970, which means that the memory performance of the GTX 770 is massively better than the HD 7970.

The GeForce GTX 770 SLI has 3072 Shader Processing Units and the Radeon HD 7970 XFX Black Edition has 2048. However, the actual shader performance of the GTX 770 is 3333 and the actual shader performance of the HD 7970 is 1741. The GTX 770 having 1592 better shader performance and an altogether better performance when taking into account other relevant data means that the GTX 770 delivers a massively smoother and more efficient experience when processing graphical data than the HD 7970.

The GeForce GTX 770 SLI requires 400 Watts to run and the Radeon HD 7970 XFX Black Edition requires 230 Watts. We would recommend a PSU with at least 750 Watts for the GTX 770 and a PSU with at least 650 Watts for the HD 7970. The GTX 770 requires 170 Watts more than the HD 7970 to run. The difference is significant enough that the GTX 770 may have an adverse affect on your yearly electricity bills in comparison to the HD 7970.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1046 MHzvs1000 MHz
Boost Clock1085 MHzvs-
ArchitectureKepler GK104-425-A2 (x2)GCN 1.0 Tahiti XT
OC Potential Poor vs Fair
Driver Support Good vs Good
Release Date30 May 2013vs30 Jan 2012
GPU LinkGD LinkGD Link
Approved
Comparison

Resolution Performance

1366x768 - green tick vs green tick -
1600x900 - vs green tick
10
1920x1080
10
green tick vs
8.5
2560x1440 - vs green tick
6.3
3840x2160 - vs green tick
4.8

GPU Memory

Memory4096 MBvs3072 MB
Memory Speed1752 MHzvs1425 MHz
Memory Bus512 Bitvs384 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth448.5GB/secvs273.6GB/sec
L2 Cache 1024 KB green tick vs 768 KB
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%
Comparison

GPU Display

Shader Processing Units3072vs2048
Actual Shader Performance100%vs84%
Technology28nmvs28nm
Texture Mapping Units256vs128
Texture Rate267.8 GTexel/svs128 GTexel/s
Render Output Units64vs32
Pixel Rate66.9 GPixel/svs32 GPixel/s
Comparison

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections4vs1
HDMI Connections2vs1
DisplayPort Connections-vs-
Comparison

GPU Power Requirements

Max Power400 Wattsvs230 Watts
Recommended PSU750 Wattsvs650 Watts & 40 Amps

GPU Features

DirectX12.0vs12.0
Shader Model5.0vs5.0
Open GL4.5vs4.4
Open CL-vs-
Notebook GPUnono
SLI/Crossfirenovsyes
Dedicatedyesvsyes
Comparison

GPU Supporting Hardware

Recommended ProcessorIntel Core i7-4770K 4-Core 3.5GHzvsIntel Core i5-2500K 3.3GHz
Recommended RAM12 GBvs8 GB
Maximum Recommended Gaming Resolution2560x1600vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 770 SLI is a combination of 2 GeForce GTX 770 put together using NVIDIA's SLI technology.
Together, this combination offers 3072 Shader Processing Units, 256 TMUs and 64 ROPs. This, on a 256-bit memory interface, per card, of fast GDDR5. While the central unit runs at 1046MHz and goes up to 1085MHz, in Turbo Mode, the memory clock operates at 1752MHz.
Best case scenario, this combination performs better than dual-graphics GeForce GTX 690 but ultimately, its performance depends on the driver support and on the 3D application.
Therefore, and paired with a powerful processor, all demanding games are playable at the highest settings. Still, this combination might surpass the 450W barrier of TDP and so it will require a very powerful PSU.
Radeon HD 7970 XFX Black Edition is a special Edition of the Radeon HD 7970. See the page of the standard edition for more information.
In this edition, the core-clock has been raised from 925MHz to 1000MHz, while the memory clock went from 1375MHz to 1425MHz.
Benchmarks indicate a 4.5% performance boost when compared to the standard Radeon HD 7970.
Therefore, all games, including very demanding ones, should be fully playable at max settings and with very attractive resolutions.
Recommended CPU
Possible GPU Upgrades
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GPU Variants
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