AMD Ryzen Z1 GPU vs AMD Radeon HD 7870 XT
GPU Specs Compare
Graphics Card
Release Date
Sep 2023
Nov 2012
Generation
Console GPU
Southern Islands
Type
Game console
Desktop
Bus Interface
-
PCIe 3.0 x16
Clock Speeds
Base Clock
1500 MHz
925 MHz
Boost Clock
2500 MHz
975 MHz
Memory Clock
800 MHz
1500 MHz
Memory
Memory Size
16GB
2GB
Memory Type
LPDDR5
GDDR5
Memory Bus
64bit
256bit
Bandwidth
25.60GB/s
192.0GB/s
Render Config
Compute Units
4
24
Shading Units
256
1536
TMUs
16
96
ROPs
8
32
RT Cores
4
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
6 MB
512 KB
L3 Cache
16 MB
-
Theoretical Performance
Pixel Rate
20.00 GPixel/s
31.20 GPixel/s
Texture Rate
40.00 GTexel/s
93.60 GTexel/s
FP16 (half)
5.120 TFLOPS
-
FP32 (float)
2.560 TFLOPS
2.995 TFLOPS
FP64 (double)
160.0 GFLOPS
748.8 GFLOPS
Graphics Processor
GPU Name
Phoenix
Tahiti
GPU Variant
100-000001280
Tahiti LE(215-0821122)
Architecture
RDNA 3.0
GCN 1.0
Foundry
TSMC
TSMC
Process Size
4 nm
28 nm
Transistors
25.39 billion
4.313 billion
Die Size
178 mm²
352 mm²
Board Design
TDP
30W
185W
Outputs
No outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
None
2x 6-pin
Suggested PSU
-
450 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
Shader Model
6.8
5.1