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
Quadro P400
CORE STATE
GP107
VRAM
2 GB
CLOCK SPEED
1252 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Pascal
PROCESS
14 nm
LAUNCH DATE
2017
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
Quadro P400
Core Specs
Shading Units
640
256
-60.0%
Shaders
640
256
-60.0%
TMUs
40
16
-60.0%
ROPs
16
16
0.0%
Compute Units
10
—
SM Count
—
2
Clocks
Base Clock
725 MHz
1228 MHz
Boost Clock
775 MHz
1252 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
1002 MHz
4 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
64 bit
Bandwidth
72.00 GB/s
32.06 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SM)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
12.40 GPixel/s
20.03 GPixel/s
Texture Rate
31.00 GTexel/s
20.03 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
641.0 GFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
20.03 GFLOPS (1:32)
FP16 (TFLOPS)
—
10.02 GFLOPS (1:64)
Power
TDP
—
30 W
TDP (W)
—
30
Suggested PSU
—
200 W
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Pascal
GPU Name
Venus
GP107
Generation
Solar System
(HD 8800M)
Quadro Pascal
(Px000)
Process Size
28 nm
14 nm
Transistors
1,500 million
3,300 million
Die Size
123 mm²
132 mm²
Foundry
TSMC
Samsung
Density
12.2M / mm²
25.0M / 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
—
Single-slot
Length
—
150 mm
5.9 inches
Height
—
69 mm
2.7 inches
Outputs
—
3x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
Quadro Maxwell
Successor
Gem System
Quadro Volta