GPU Comparison
RADEON
AMD Radeon HD 8850M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
625 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
Quadro K4000
CORE STATE
GK106
VRAM
3 GB
CLOCK SPEED
—
TDP
80 W
BUS WIDTH
192 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2013
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8850M
Quadro K4000
Core Specs
Shading Units
640
768
+20.0%
Shaders
640
768
+20.0%
TMUs
40
64
+60.0%
ROPs
16
24
+50.0%
Compute Units
10
—
Clocks
Base Clock
575 MHz
—
Boost Clock
625 MHz
—
GPU Clock
—
810 MHz
Memory Clock
1000 MHz
4 Gbps effective
1404 MHz
5.6 Gbps effective
Memory
Memory Size
2 GB
3 GB
VRAM (MB)
2,048
3,072
+50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
192 bit
Bandwidth
64.00 GB/s
134.8 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
384 KB
Performance
Pixel Rate
10.00 GPixel/s
12.96 GPixel/s
Texture Rate
25.00 GTexel/s
51.84 GTexel/s
FP32 (TFLOPS)
800.0 GFLOPS
1,244.2 GFLOPS
FP64 (TFLOPS)
50.00 GFLOPS (1:16)
51.84 GFLOPS (1:24)
Power
TDP
—
80 W
TDP (W)
—
80
Suggested PSU
—
250 W
Power Connectors
—
1x 6-pin
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Venus
GK106
Generation
Solar System
(HD 8800M)
Quadro Kepler
(Kx000)
Process Size
28 nm
28 nm
Transistors
1,500 million
2,540 million
Die Size
123 mm²
221 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
11.5M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
—
Single-slot
Length
—
241 mm
9.5 inches
Height
—
111 mm
4.4 inches
Outputs
—
1x DVI2x DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Other
Launch Price
—
1,269 USD
Production
End-of-life
End-of-life
Predecessor
London
Quadro Fermi
Successor
Gem System
Quadro Maxwell