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
GEFORCE
P106-100
CORE STATE
GP106
VRAM
6 GB
CLOCK SPEED
1709 MHz
TDP
120 W
BUS WIDTH
192 bit
ARCHITECTURE
Pascal
PROCESS
16 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
P106-100
Core Specs
Shading Units
640
1,280
+100.0%
Shaders
640
1,280
+100.0%
TMUs
40
80
+100.0%
ROPs
16
48
+200.0%
Compute Units
10
—
SM Count
—
10
Clocks
Base Clock
725 MHz
1506 MHz
Boost Clock
775 MHz
1709 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
2002 MHz
8 Gbps effective
Memory
Memory Size
2 GB
6 GB
VRAM (MB)
2,048
6,144
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
72.00 GB/s
192.2 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
1536 KB
Performance
Pixel Rate
12.40 GPixel/s
82.03 GPixel/s
Texture Rate
31.00 GTexel/s
136.7 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
4.375 TFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
136.7 GFLOPS (1:32)
FP16 (TFLOPS)
—
68.36 GFLOPS (1:64)
Power
TDP
—
120 W
TDP (W)
—
120
Suggested PSU
—
300 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 1.0
Pascal
GPU Name
Venus
GP106
Generation
Solar System
(HD 8800M)
Mining GPUs
Process Size
28 nm
16 nm
Transistors
1,500 million
4,400 million
Die Size
123 mm²
200 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
22.0M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
6.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
—
Dual-slot
Length
—
250 mm
9.8 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 1.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—