Home GPU Comparison AMD Radeon HD 7970 X2 vs NVIDIA GeForce GTX 650

AMD Radeon HD 7970 X2 vs NVIDIA GeForce GTX 650

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 1024MB VRAM GeForce GTX 650 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages
More VRAM (3GB vs 1024GB)
Larger VRAM bandwidth (264.0GB/s vs 80.00GB/s)
1664 additional rendering cores
NVIDIA GeForce GTX 650 's Advantages
Lower TDP (65W vs 500W)

Score

Benchmark

FP32 (float)
Radeon HD 7970 X2 +366%
3.789 TFLOPS
GeForce GTX 650
0.812 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Sep 2012
Southern Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
1250 MHz

Memory

3GB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
80.00GB/s

Render Config

32
Compute Units
-
-
-
-
2048
Shading Units
384
128
TMUs
32
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
8.464 GPixel/s
118.4 GTexel/s
Texture Rate
33.86 GTexel/s
-
-
-
3.789 TFLOPS
FP32 (float)
812.5 GFLOPS
947.2 GFLOPS
FP64 (double)
33.86 GFLOPS

Board Design

500W
TDP
65W
900 W
Suggested PSU
250 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x mini-HDMI 1.4a
3x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

New Zealand
GPU Name
GK107
-
GPU Variant
GK107-450-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
1.27 billion
352 mm²
Die Size
118 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
3.0
5.1
Shader Model
5.1

Related GPU Comparisons

Related News

© 2024 - TopCPU.net   Contact Us Privacy Policy