Product Compare

AMD Radeon HD 6870 vs AMD Steam Deck OLED GPU

GPU GPU
Graphics Card
Release Date Oct 2010 Nov 2023
Generation Northern Islands Console GPU
Type Desktop Game console
Bus Interface PCIe 2.0 x16
Clock Speeds
Memory Clock 1050 MHz 1375 MHz
Base Clock 1000 MHz
Boost Clock 1600 MHz
Memory
Memory Size 1024MB 16GB
Memory Type GDDR5 LPDDR5
Memory Bus 256bit 128bit
Bandwidth 134.4GB/s 88.00GB/s
Render Config
Compute Units 14 8
Shading Units 1120 512
TMUs 56 32
ROPs 32 16
L1 Cache 8 KB (per CU) 128 KB per Array
L2 Cache 512 KB 1024 KB
RT Cores 8
L3 Cache 8 MB
Theoretical Performance
Pixel Rate 28.80 GPixel/s 25.60 GPixel/s
Texture Rate 50.40 GTexel/s 51.20 GTexel/s
FP32 (float) 2.016 TFLOPS 1.638 TFLOPS
FP16 (half) 3.277 TFLOPS
FP64 (double) 102.4 GFLOPS
Graphics Processor
GPU Name Barts Sephiroth
GPU Variant Barts XT(215-0798000)
Architecture TeraScale 2 RDNA 2.0
Foundry TSMC TSMC
Process Size 40 nm 6 nm
Transistors 1.7 billion 2.4 billion
Die Size 255 mm² 131 mm²
Board Design
TDP 151W 15W
Suggested PSU 450 W
Outputs 2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1 1x USB Type-C
Power Connectors 2x 6-pin
Graphics Features
DirectX 11.2 (11_0) 12 (12_1)
OpenGL 4.4 4.6
OpenCL 1.2 2.0
Vulkan N/A 1.2
Shader Model 5.0 6.5