NVIDIA GeForce 8800 GT vs AMD Radeon RX 7990 XTX
We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT and 24GB VRAM Radeon RX 7990 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce 8800 GT 's Advantages
Lower TDP (125W vs 405W)
AMD Radeon RX 7990 XTX 's Advantages
Boost Clock3599MHz
More VRAM (24GB vs 512GB)
Larger VRAM bandwidth (1152GB/s vs 57.60GB/s)
6032 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce 8800 GT
0.336 TFLOPS
Radeon RX 7990 XTX
+26224%
88.45 TFLOPS
Graphics Card
Oct 2007
Release Date
Unknown
GeForce 8
Generation
Navi III
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
-
Base Clock
2500 MHz
-
Boost Clock
3599 MHz
900 MHz
Memory Clock
3000 MHz
Memory
512MB
Memory Size
24GB
GDDR3
Memory Type
GDDR6
256bit
Memory Bus
384bit
57.60GB/s
Bandwidth
1152GB/s
Render Config
-
Compute Units
96
14
SM Count
-
112
Shading Units
6144
56
TMUs
384
16
ROPs
192
-
-
-
-
RT Cores
96
-
L1 Cache
256 KB per Array
64 KB
L2 Cache
6 MB
-
L3 Cache
192 MB
Theoretical Performance
9.600 GPixel/s
Pixel Rate
691.0 GPixel/s
33.60 GTexel/s
Texture Rate
1382 GTexel/s
-
FP16 (half)
176.9 TFLOPS
336.0 GFLOPS
FP32 (float)
88.45 TFLOPS
-
FP64 (double)
2.764 TFLOPS
Board Design
125W
TDP
405W
300 W
Suggested PSU
800 W
2x DVI
1x S-Video
Outputs
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
1x 6-pin
Power Connectors
3x 8-pin
Graphics Processor
G92
GPU Name
Navi 31
G92-270-A2
GPU Variant
Navi 31 XTX+
Tesla
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
65 nm
Process Size
5 nm
0.754 billion
Transistors
57.7 billion
324 mm²
Die Size
529 mm²
Graphics Features
11.1 (10_0)
DirectX
12 Ultimate (12_2)
3.3
OpenGL
4.6
1.1
OpenCL
2.2
N/A
Vulkan
1.3
1.1
CUDA
-
4.0
Shader Model
6.7
