Home GPU Comparison NVIDIA GeForce 7800 GTX 512 vs AMD Radeon HD 7970

NVIDIA GeForce 7800 GTX 512 vs AMD Radeon HD 7970

We compared two Desktop platform GPUs: 512MB VRAM GeForce 7800 GTX 512 and 3GB VRAM Radeon HD 7970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 7800 GTX 512 's Advantages
Lower TDP (108W vs 250W)
AMD Radeon HD 7970 's Advantages
Released 6 years and 1 months late
More VRAM (3GB vs 512GB)
Larger VRAM bandwidth (264.0GB/s vs 51.20GB/s)
2048 additional rendering cores

Score

VS

Graphics Card

Nov 2005
Release Date
Dec 2011
GeForce 7 PCIe
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 1.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
1375 MHz

Memory

512MB
Memory Size
3GB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
384bit
51.20GB/s
Bandwidth
264.0GB/s

Render Config

-
Compute Units
32
-
-
-
-
Shading Units
2048
24
TMUs
128
16
ROPs
32
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
-
L2 Cache
768 KB
-
-
-

Theoretical Performance

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

Board Design

108W
TDP
250W
300 W
Suggested PSU
600 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
-
Power Connectors
1x 6-pin + 1x 8-pin

Graphics Processor

G70
GPU Name
Tahiti
GF-7800-GTX-512-A2
GPU Variant
Tahiti XT (215-0821060)
Curie
Architecture
GCN 1.0
TSMC
Foundry
TSMC
110 nm
Process Size
28 nm
0.302 billion
Transistors
4.313 billion
333 mm²
Die Size
352 mm²

Graphics Features

9.0c (9_3)
DirectX
12 (11_1)
2.1
OpenGL
4.6
N/A
OpenCL
1.2
N/A
Vulkan
1.2
-
-
-
3.0
Shader Model
5.1

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