AMD Radeon RX 7900 XT vs NVIDIA GeForce 8800 GT Mac Edition
We compared two Desktop platform GPUs: 20GB VRAM Radeon RX 7900 XT and 512MB VRAM GeForce 8800 GT Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7900 XT 's Advantages
Released 14 years and 9 months late
Boost Clock2394MHz
More VRAM (20GB vs 512GB)
Larger VRAM bandwidth (800.0GB/s vs 57.60GB/s)
5264 additional rendering cores
NVIDIA GeForce 8800 GT Mac Edition 's Advantages
Lower TDP (125W vs 300W)
Score
Benchmark
FP32 (float)
Radeon RX 7900 XT
+15221%
51.48 TFLOPS
GeForce 8800 GT Mac Edition
0.336 TFLOPS
Graphics Card
Nov 2022
Release Date
Feb 2008
Navi III
Generation
GeForce 8
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1387 MHz
Base Clock
-
2394 MHz
Boost Clock
-
2500 MHz
Memory Clock
900 MHz
Memory
20GB
Memory Size
512MB
GDDR6
Memory Type
GDDR3
320bit
Memory Bus
256bit
800.0GB/s
Bandwidth
57.60GB/s
Render Config
84
Compute Units
-
-
SM Count
14
5376
Shading Units
112
336
TMUs
56
192
ROPs
16
-
-
-
84
RT Cores
-
256 KB per Array
L1 Cache
-
6 MB
L2 Cache
64 KB
80 MB
L3 Cache
-
Theoretical Performance
459.6 GPixel/s
Pixel Rate
9.600 GPixel/s
804.4 GTexel/s
Texture Rate
33.60 GTexel/s
103.0 TFLOPS
FP16 (half)
-
51.48 TFLOPS
FP32 (float)
336.0 GFLOPS
1.609 TFLOPS
FP64 (double)
-
Board Design
300W
TDP
125W
700 W
Suggested PSU
300 W
1x HDMI 2.1a
2x DisplayPort 2.1
1x USB Type-C
Outputs
2x DVI
2x 8-pin
Power Connectors
1x 6-pin
Graphics Processor
Navi 31
GPU Name
G92
Navi 31 XT
(215-145000156)
GPU Variant
G92-270-A2
RDNA 3.0
Architecture
Tesla
TSMC
Foundry
TSMC
5 nm
Process Size
65 nm
57.7 billion
Transistors
0.754 billion
529 mm²
Die Size
324 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
2.2
OpenCL
1.1
1.3
Vulkan
N/A
-
CUDA
1.1
6.7
Shader Model
4.0
