AMD Radeon HD 7870 GHz Edition vs AMD Radeon RX 7800M
GPU Specs Compare
Graphics Card
Release Date
Mar 2012
Sep 2024
Generation
Southern Islands
Navi Mobile
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Clock Speeds
Memory Clock
1200 MHz
2250 MHz
Base Clock
-
1295 MHz
Boost Clock
-
2335 MHz
Memory
Memory Size
2GB
12GB
Memory Type
GDDR5
GDDR6
Memory Bus
256bit
192bit
Bandwidth
153.6GB/s
432.0GB/s
Render Config
Compute Units
20
60
Shading Units
1280
3840
TMUs
80
240
ROPs
32
96
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
512 KB
4 MB
RT Cores
-
60
L3 Cache
-
48 MB
Theoretical Performance
Pixel Rate
32.00 GPixel/s
224.2 GPixel/s
Texture Rate
80.00 GTexel/s
560.4 GTexel/s
FP32 (float)
2.560 TFLOPS
35.87 TFLOPS
FP64 (double)
160.0 GFLOPS
1121 GFLOPS
FP16 (half)
-
71.73 TFLOPS
Graphics Processor
GPU Name
Pitcairn
Navi 32
GPU Variant
Pitcairn XT(215-0828047)
Navi 32 XT(215-180000006)
Architecture
GCN 1.0
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
28 nm
5 nm
Transistors
2.8 billion
28.1 billion
Die Size
212 mm²
346 mm²
Board Design
TDP
175W
180W
Suggested PSU
450 W
-
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
1.2
2.2
Vulkan
1.2
1.3
Shader Model
5.1
6.8