GPU Comparison
RADEON
AMD FirePro D300
CORE STATE
Pitcairn
VRAM
2 GB
CLOCK SPEED
—
TDP
150 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2014
VS
RADEON
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
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
FirePro D300
HD 7950
Core Specs
Shading Units
1,280
1,792
+40.0%
Shaders
1,280
1,792
+40.0%
TMUs
80
112
+40.0%
ROPs
32
32
0.0%
Compute Units
20
28
+40.0%
Clocks
GPU Clock
850 MHz
800 MHz
Memory Clock
1270 MHz
5.1 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
2 GB
3 GB
VRAM (MB)
2,048
3,072
+50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
256 bit
384 bit
Bandwidth
162.6 GB/s
240.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
512 KB
768 KB
Performance
Pixel Rate
27.20 GPixel/s
25.60 GPixel/s
Texture Rate
68.00 GTexel/s
89.60 GTexel/s
FP32 (TFLOPS)
2.176 TFLOPS
2.867 TFLOPS
FP64 (TFLOPS)
136.0 GFLOPS (1:16)
716.8 GFLOPS (1:4)
Power
TDP
150 W
200 W
TDP (W)
150
200
+33.3%
Suggested PSU
450 W
550 W
Power Connectors
—
2x 6-pin
Architecture
Architecture
GCN 1.0
GCN 1.0
GPU Name
Pitcairn
Tahiti
Generation
FirePro Data Center
(Dx00)
Southern Islands
(HD 7900)
Process Size
28 nm
28 nm
Transistors
2,800 million
4,313 million
Die Size
212 mm²
352 mm²
Foundry
TSMC
TSMC
Density
13.2M / 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
Single-slot
Dual-slot
Length
242 mm
9.5 inches
278 mm
10.9 inches
Height
—
111 mm
4.4 inches
Outputs
4x DisplayPort 1.2
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
—
449 USD
Production
End-of-life
End-of-life
Predecessor
FirePro Terascale
Northern Islands
Successor
Radeon Instinct
Sea Islands