GPU Comparison
RADEON
AMD Radeon HD 7950
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
200 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
Quadro M4000M
CORE STATE
GM204
VRAM
4 GB
CLOCK SPEED
1013 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_metal
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7950
Quadro M4000M
Core Specs
Shading Units
1,792
1,280
-28.6%
Shaders
1,792
1,280
-28.6%
TMUs
112
80
-28.6%
ROPs
32
64
+100.0%
Compute Units
28
—
Clocks
Base Clock
—
975 MHz
Boost Clock
—
1013 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz
5 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
GDDR5
Memory Bus
384 bit
256 bit
Bandwidth
240.0 GB/s
160.4 GB/s
Cache
L1 Cache
16 KB (per CU)
48 KB (per SMM)
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
25.60 GPixel/s
64.83 GPixel/s
Texture Rate
89.60 GTexel/s
81.04 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
2.593 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
81.04 GFLOPS (1:32)
Power
TDP
200 W
100 W
TDP (W)
200
100
-50.0%
Suggested PSU
550 W
—
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
Maxwell 2.0
GPU Name
Tahiti
GM204
Generation
Southern Islands
(HD 7900)
Quadro Maxwell-M
(Mx000M)
Process Size
28 nm
28 nm
Transistors
4,313 million
5,200 million
Die Size
352 mm²
398 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.1M / 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
—
5.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
MXM Module
Length
278 mm
10.9 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Kepler-M
Successor
Sea Islands
Quadro Pascal-M