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
P104-100
CORE STATE
GP104
VRAM
4 GB
CLOCK SPEED
1733 MHz
TDP
—
BUS WIDTH
256 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
P104-100
Core Specs
Shading Units
640
1,920
+200.0%
Shaders
640
1,920
+200.0%
TMUs
40
120
+200.0%
ROPs
16
64
+300.0%
Compute Units
10
—
SM Count
—
15
Clocks
Base Clock
725 MHz
1607 MHz
Boost Clock
775 MHz
1733 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
1251 MHz
10 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5X
Memory Bus
128 bit
256 bit
Bandwidth
72.00 GB/s
320.3 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
12.40 GPixel/s
110.9 GPixel/s
Texture Rate
31.00 GTexel/s
208.0 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
6.655 TFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
208.0 GFLOPS (1:32)
FP16 (TFLOPS)
—
104.0 GFLOPS (1:64)
Power
Suggested PSU
—
200 W
Power Connectors
—
1x 8-pin
Architecture
Architecture
GCN 1.0
Pascal
GPU Name
Venus
GP104
Generation
Solar System
(HD 8800M)
Mining GPUs
Process Size
28 nm
16 nm
Transistors
1,500 million
7,200 million
Die Size
123 mm²
314 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
22.9M / 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
—
267 mm
10.5 inches
Outputs
—
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 1.0 x4
Other
Production
End-of-life
End-of-life
Predecessor
London
—
Successor
Gem System
—