GPU Comparison
RADEON
AMD FirePro M4000
CORE STATE
Chelsea
VRAM
1024 MB
CLOCK SPEED
—
TDP
33 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
RADEON
Radeon HD 7970
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
FirePro M4000
HD 7970
Core Specs
Shading Units
512
2,048
+300.0%
Shaders
512
2,048
+300.0%
TMUs
32
128
+300.0%
ROPs
16
32
+100.0%
Compute Units
8
32
+300.0%
Clocks
GPU Clock
675 MHz
925 MHz
Memory Clock
1000 MHz
4 Gbps effective
1375 MHz
5.5 Gbps effective
Memory
Memory Size
1024 MB
3 GB
VRAM (MB)
1,024
3,072
+200.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
64.00 GB/s
264.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
768 KB
Performance
Pixel Rate
10.80 GPixel/s
29.60 GPixel/s
Texture Rate
21.60 GTexel/s
118.4 GTexel/s
FP32 (TFLOPS)
691.2 GFLOPS
3.789 TFLOPS
FP64 (TFLOPS)
43.20 GFLOPS (1:16)
947.2 GFLOPS (1:4)
Power
TDP
33 W
250 W
TDP (W)
33
250
+657.6%
Suggested PSU
—
600 W
Power Connectors
None
1x 6-pin + 1x 8-pin
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Chelsea
Tahiti
Generation
FirePro Mobile
(Mx000)
Southern Islands
(HD 7900)
Process Size
28 nm
28 nm
Transistors
1,500 million
4,313 million
Die Size
123 mm²
352 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
12.3M / mm²
API Support
DirectX
12 (11_1)
12 (11_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1 (1.2)
Shader Model
6.5 (5.1)
6.5 (5.1)
Physical
Slot Width
MXM Module
Dual-slot
Length
—
275 mm
10.8 inches
Height
—
111 mm
4.4 inches
Outputs
Portable Device Dependent
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Bus Interface
MXM-A (3.0)
PCIe 3.0 x16
Other
Launch Price
—
549 USD
Production
End-of-life
End-of-life
Predecessor
FirePro Mobility
Northern Islands
Successor
Radeon Pro Mobile
Sea Islands