GPU Comparison
RADEON
AMD Radeon HD 8870M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
775 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon RX 6800S
CORE STATE
Navi 23
VRAM
8 GB
CLOCK SPEED
2100 MHz
TDP
100 W
BUS WIDTH
128 bit
ARCHITECTURE
RDNA 2.0
PROCESS
7 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_metal
geekbench_vulkan
passmark_directx_10
passmark_directx_11
passmark_directx_12
passmark_directx_9
passmark_g2d
passmark_g3d
passmark_gpu_compute
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
RX 6800S
Core Specs
Shading Units
640
2,048
+220.0%
Shaders
640
2,048
+220.0%
TMUs
40
128
+220.0%
ROPs
16
64
+300.0%
Compute Units
10
32
+220.0%
Clocks
Base Clock
725 MHz
1800 MHz
Boost Clock
775 MHz
2100 MHz
Game Clock
—
1975 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
2 GB
8 GB
VRAM (MB)
2,048
8,192
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
128 bit
Bandwidth
72.00 GB/s
256.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
256 KB
2 MB
L3 Cache
—
32 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
12.40 GPixel/s
134.4 GPixel/s
Texture Rate
31.00 GTexel/s
268.8 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
8.602 TFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
537.6 GFLOPS (1:16)
FP16 (TFLOPS)
—
17.20 TFLOPS (2:1)
AI/RT
RT Cores
—
32
Power
TDP
—
100 W
TDP (W)
—
100
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
RDNA 2.0
GPU Name
Venus
Navi 23
Generation
Solar System
(HD 8800M)
Navi Mobile
(RX 6000M)
Process Size
28 nm
7 nm
Transistors
1,500 million
11,060 million
Die Size
123 mm²
237 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
46.7M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
—
IGP
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
End-of-life
Predecessor
London
Polaris Mobile
Successor
Gem System
—