Home GPU Comparison AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce 8800 GTS 320

AMD Radeon HD 7970 GHz Edition vs NVIDIA GeForce 8800 GTS 320

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 GHz Edition and 320MB VRAM GeForce 8800 GTS 320 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 GHz Edition 's Advantages
Released 5 years and 4 months late
Boost Clock1050MHz
More VRAM (3GB vs 320GB)
Larger VRAM bandwidth (288.0GB/s vs 63.36GB/s)
1952 additional rendering cores
NVIDIA GeForce 8800 GTS 320 's Advantages
Lower TDP (143W vs 300W)

Score

Benchmark

FP32 (float)
Radeon HD 7970 GHz Edition +1786%
4.301 TFLOPS
GeForce 8800 GTS 320
0.228 TFLOPS
VS

Graphics Card

Jun 2012
Release Date
Feb 2007
Southern Islands
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

1000 MHz
Base Clock
-
1050 MHz
Boost Clock
-
1500 MHz
Memory Clock
792 MHz

Memory

3GB
Memory Size
320MB
GDDR5
Memory Type
GDDR3
384bit
Memory Bus
320bit
288.0GB/s
Bandwidth
63.36GB/s

Render Config

32
Compute Units
-
-
SM Count
12
2048
Shading Units
96
128
TMUs
24
32
ROPs
20
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
768 KB
L2 Cache
80 KB
-
-
-

Theoretical Performance

33.60 GPixel/s
Pixel Rate
10.26 GPixel/s
134.4 GTexel/s
Texture Rate
24.62 GTexel/s
-
-
-
4.301 TFLOPS
FP32 (float)
228.1 GFLOPS
1075 GFLOPS
FP64 (double)
-

Board Design

300W
TDP
143W
700 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin + 1x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

Tahiti
GPU Name
G80
Tahiti XT2 (215-0821065)
GPU Variant
G80-100-K0-A2
GCN 1.0
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
90 nm
4.313 billion
Transistors
0.681 billion
352 mm²
Die Size
484 mm²

Graphics Features

12 (11_1)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
1.2
OpenCL
1.1 (1.0)
1.2
Vulkan
N/A
-
CUDA
1.0
5.1
Shader Model
4.0

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