Home GPU Comparison NVIDIA GeForce 8800 GT vs AMD Radeon HD 7770 GHz Edition

NVIDIA GeForce 8800 GT vs AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7770 GHz Edition 's Advantages
Released 4 years and 4 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (72.00GB/s vs 57.60GB/s)
528 additional rendering cores
Lower TDP (80W vs 125W)

Score

Benchmark

FP32 (float)
GeForce 8800 GT
0.336 TFLOPS
Radeon HD 7770 GHz Edition +280%
1.28 TFLOPS
VS

Graphics Card

Oct 2007
Release Date
Feb 2012
GeForce 8
Generation
Southern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
900 MHz
Memory Clock
1125 MHz

Memory

512MB
Memory Size
1024MB
GDDR3
Memory Type
GDDR5
256bit
Memory Bus
128bit
57.60GB/s
Bandwidth
72.00GB/s

Render Config

-
Compute Units
10
14
SM Count
-
112
Shading Units
640
56
TMUs
40
16
ROPs
16
-
-
-
-
-
-
-
L1 Cache
16 KB (per CU)
64 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

9.600 GPixel/s
Pixel Rate
16.00 GPixel/s
33.60 GTexel/s
Texture Rate
40.00 GTexel/s
-
-
-
336.0 GFLOPS
FP32 (float)
1280 GFLOPS
-
FP64 (double)
80.00 GFLOPS

Board Design

125W
TDP
80W
300 W
Suggested PSU
250 W
2x DVI 1x S-Video
Outputs
1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
1x 6-pin
Power Connectors
1x 6-pin

Graphics Processor

G92
GPU Name
Cape Verde
G92-270-A2
GPU Variant
Cape Verde XT
Tesla
Architecture
GCN 1.0
TSMC
Foundry
TSMC
65 nm
Process Size
28 nm
0.754 billion
Transistors
1.5 billion
324 mm²
Die Size
123 mm²

Graphics Features

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

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