Product Compare

AMD Ryzen Z1 GPU vs AMD Radeon HD 7870 XT

GPU GPU
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