GPUs

AMD Radeon HD 7950M vs AMD Radeon HD 7970M Full Specs

1,280 Shaders
700MHz
1,280 Shaders
850MHz
2GB GDDR5128GB/s
2GB GDDR5153.6GB/s
··
1.79 TFLOPS
··
2.18 TFLOPS
Form Factor
MXM-B
Form Factor
MXM-B
TDP
75W
TDP
75W

Radeon HD 7950MRadeon HD 7950M1.79 TFLOPSFP32
x1
Radeon HD 7970MRadeon HD 7970M2.18 TFLOPSFP32
x1.21

Clock Speed
··
Clock Speed
··
Peak OPS
1.79 TFLOPSFP32
Peak OPS
2.18 TFLOPSFP32
FP32
1.79 TFLOPS
FP32
2.18 TFLOPS
FP64
112 GFLOPS
FP64
136 GFLOPS
Pixel Rate
22.4 GPixel/s
Pixel Rate
27.2 GPixel/s
Texture Rate
56 GTexel/s
Texture Rate
68 GTexel/s

Shaders
1,280 Shaders
Shaders
1,280 Shaders
TMUs
80 TMUs
TMUs
80 TMUs
ROPs
32 ROPs
ROPs
32 ROPs
CUs
20 CUs
CUs
20 CUs

Boost Clock
700MHz
Boost Clock
850MHz

L2 Cache
512KB shared
L2 Cache
512KB shared

2GB GDDR5
2GB GDDR5
Memory Bus
256-bit
Memory Bus
256-bit
Memory Speed
4GT/s
Memory Speed
4.8GT/s
Memory Bandwidth
128GB/s
Memory Bandwidth
153.6GB/s
ECC
No
ECC
No

TDP
75W
TDP
75W

Multi-Monitor
3
Multi-Monitor
3

Encoder Model
VCE 1.0
Encoder Model
VCE 1.0

Decoder Model
UVD 4.0
Decoder Model
UVD 4.0

Form Factor
MXM-B
Form Factor
MXM-B

Manufacturer
Manufacturer
Chip Designer
Chip Designer
Architecture
Architecture
Family
Family
Branding
Radeon 2011 branding
Branding
Radeon 2011 branding
Codename
Pitcairn
Codename
Pitcairn
Chip Variant
Pitcairn Pro
Chip Variant
Pitcairn Pro
Market Segment
Laptop
Market Segment
Laptop
Release Date
Apr 24, 2012
Release Date
Apr 24, 2012

Foundry
TSMC
Foundry
TSMC
Fabrication Node
28nm
Fabrication Node
28nm
Die Size
212mm²
Die Size
212mm²
Transistor Count
2.8 Billion
Transistor Count
2.8 Billion
Transistor Density
13.21 MTr/mm²
Transistor Density
13.21 MTr/mm²

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