AMD Radeon RX 7800 XT vs NVIDIA GeForce GTX 680 Mac Edition
We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 7800 XT and 2GB VRAM GeForce GTX 680 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon RX 7800 XT 's Advantages
Released 10 years and 4 months late
Boost Clock has increased by 130% (2430MHz vs 1058MHz)
More VRAM (16GB vs 2GB)
Larger VRAM bandwidth (624.1GB/s vs 192.3GB/s)
2304 additional rendering cores
NVIDIA GeForce GTX 680 Mac Edition 's Advantages
Lower TDP (195W vs 263W)
Score
Benchmark
FP32 (float)
Radeon RX 7800 XT
+1048%
37.32 TFLOPS
GeForce GTX 680 Mac Edition
3.25 TFLOPS
Graphics Card
Aug 2023
Release Date
Apr 2013
Navi III
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 4.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
1295 MHz
Base Clock
1006 MHz
2430 MHz
Boost Clock
1058 MHz
2438 MHz
Memory Clock
1502 MHz
Memory
16GB
Memory Size
2GB
GDDR6
Memory Type
GDDR5
256bit
Memory Bus
256bit
624.1GB/s
Bandwidth
192.3GB/s
Render Config
60
Compute Units
-
-
-
-
3840
Shading Units
1536
240
TMUs
128
96
ROPs
32
-
-
-
60
RT Cores
-
128 KB per Array
L1 Cache
16 KB (per SMX)
4 MB
L2 Cache
512 KB
64 MB
L3 Cache
-
Theoretical Performance
233.3 GPixel/s
Pixel Rate
33.86 GPixel/s
583.2 GTexel/s
Texture Rate
135.4 GTexel/s
74.65 TFLOPS
FP16 (half)
-
37.32 TFLOPS
FP32 (float)
3.250 TFLOPS
1166 GFLOPS
FP64 (double)
135.4 GFLOPS
Board Design
263W
TDP
195W
600 W
Suggested PSU
450 W
1x HDMI 2.1a
3x DisplayPort 2.1
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 8-pin
Power Connectors
2x 6-pin
Graphics Processor
Navi 32
GPU Name
GK104
Navi 32 XT
(215-180000006)
GPU Variant
GK104-400-A2
RDNA 3.0
Architecture
Kepler
TSMC
Foundry
TSMC
5 nm
Process Size
28 nm
28.1 billion
Transistors
3.54 billion
346 mm²
Die Size
294 mm²
Graphics Features
12 Ultimate (12_2)
DirectX
12 (11_0)
4.6
OpenGL
4.6
2.2
OpenCL
3.0
1.3
Vulkan
1.1
-
CUDA
3.0
6.7
Shader Model
5.1
