Home GPU Comparison AMD Radeon HD 7950 vs NVIDIA GeForce GTX 780

AMD Radeon HD 7950 vs NVIDIA GeForce GTX 780

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 3GB VRAM GeForce GTX 780 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages
Lower TDP (200W vs 250W)
NVIDIA GeForce GTX 780 's Advantages
Released 1 years and 4 months late
Boost Clock902MHz
Larger VRAM bandwidth (288.4GB/s vs 240.0GB/s)
512 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 7950
2.867 TFLOPS
GeForce GTX 780 +44%
4.156 TFLOPS
3DMark Time Spy
Radeon HD 7950
1917
GeForce GTX 780 +45%
2795
VS

Graphics Card

Jan 2012
Release Date
May 2013
Southern Islands
Generation
GeForce 700
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
863 MHz
-
Boost Clock
902 MHz
1250 MHz
Memory Clock
1502 MHz

Memory

3GB
Memory Size
3GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
384bit
240.0GB/s
Bandwidth
288.4GB/s

Render Config

28
Compute Units
-
-
-
-
1792
Shading Units
2304
112
TMUs
192
32
ROPs
48
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
1536 KB
-
-
-

Theoretical Performance

25.60 GPixel/s
Pixel Rate
43.30 GPixel/s
89.60 GTexel/s
Texture Rate
173.2 GTexel/s
-
-
-
2.867 TFLOPS
FP32 (float)
4.156 TFLOPS
716.8 GFLOPS
FP64 (double)
173.2 GFLOPS

Board Design

200W
TDP
250W
550 W
Suggested PSU
600 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

Tahiti
GPU Name
GK110
Tahiti PRO (215-0821056)
GPU Variant
GK110-300-A1
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
7.08 billion
352 mm²
Die Size
561 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.5
5.1
Shader Model
5.1

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