AMD Radeon RX 7800 XT vs AMD Radeon HD 7950 Mac Edition
GPU Specs Compare
Graphics Card
Release Date
Aug 2023
Mar 2013
Generation
Navi III
Southern Islands
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1295 MHz
-
Boost Clock
2430 MHz
-
Memory Clock
2438 MHz
1250 MHz
Memory
Memory Size
16GB
3GB
Memory Type
GDDR6
GDDR5
Memory Bus
256bit
384bit
Bandwidth
624.1GB/s
240.0GB/s
Render Config
Compute Units
60
28
Shading Units
3840
1792
TMUs
240
112
ROPs
96
32
RT Cores
60
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
4 MB
768 KB
L3 Cache
64 MB
-
Theoretical Performance
Pixel Rate
233.3 GPixel/s
25.60 GPixel/s
Texture Rate
583.2 GTexel/s
89.60 GTexel/s
FP16 (half)
74.65 TFLOPS
-
FP32 (float)
37.32 TFLOPS
2.867 TFLOPS
FP64 (double)
1166.4 GFLOPS
716.8 GFLOPS
Graphics Processor
GPU Name
Navi 32
Tahiti
GPU Variant
Navi 32 XT(215-180000006)
Tahiti PRO(215-0821056)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
5 nm
28 nm
Transistors
28.1 billion
4.313 billion
Die Size
346 mm²
352 mm²
Board Design
TDP
263W
200W
Suggested PSU
600 W
550 W
Outputs
1x HDMI 2.1a3x DisplayPort 2.1
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
2x 6-pin
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.2
1.2
Vulkan
1.3
1.2
Shader Model
6.8
5.1
📊 Benchmark
3DMark Time Spy
20,086
-
3DMark Time Spy Extreme
9,448
-
3DMark Speed Way
3,978
-
Shadow of the Tomb Raider 2160p
82
-
Cyberpunk 2077 2160p
38
-
Shadow of the Tomb Raider 1440p
158
-
Cyberpunk 2077 1440p
82
-
Shadow of the Tomb Raider 1080p
234
-
Cyberpunk 2077 1080p
126
-
GTA 5 2160p
140
-
GTA 5 1440p
140
-
GTA 5 1080p
190
-
Horizon Forbidden West 1080p
98
-
Horizon Forbidden West 1440p
81
-
Horizon Forbidden West 2160p
52
-