Home GPU Comparison ATI Mobility Radeon HD 5770 vs AMD Radeon HD 6990M

ATI Mobility Radeon HD 5770 vs AMD Radeon HD 6990M

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5770 and 2GB VRAM Radeon HD 6990M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5770 's Advantages
Lower TDP (30W vs 100W)
AMD Radeon HD 6990M 's Advantages
Released 1 years and 6 months late
More VRAM (2GB vs 1024GB)
Larger VRAM bandwidth (115.2GB/s vs 51.20GB/s)
720 additional rendering cores

Score

Benchmark

FP32 (float)
Mobility Radeon HD 5770
0.52 TFLOPS
Radeon HD 6990M +208%
1.602 TFLOPS
VS

Graphics Card

Jan 2010
Release Date
Jul 2011
Manhattan
Generation
Vancouver
Mobile
Type
Mobile
PCIe 2.0 x16
Bus Interface
MXM-B (3.0)

Clock Speeds

-
-
-
-
-
-
800 MHz
Memory Clock
900 MHz

Memory

1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
51.20GB/s
Bandwidth
115.2GB/s

Render Config

5
Compute Units
14
-
-
-
400
Shading Units
1120
20
TMUs
56
8
ROPs
32
-
-
-
-
-
-
8 KB (per CU)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-

Theoretical Performance

5.200 GPixel/s
Pixel Rate
22.88 GPixel/s
13.00 GTexel/s
Texture Rate
40.04 GTexel/s
-
-
-
520.0 GFLOPS
FP32 (float)
1.602 TFLOPS
-
-
-

Board Design

30W
TDP
100W
-
-
-
No outputs
Outputs
No outputs
-
Power Connectors
None

Graphics Processor

Madison
GPU Name
Blackcomb
Madison XT (216-0772003)
GPU Variant
Blackcomb XTX (216-0811030)
TeraScale 2
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
0.627 billion
Transistors
1.7 billion
104 mm²
Die Size
212 mm²

Graphics Features

11.2 (11_0)
DirectX
11.2 (11_0)
4.4
OpenGL
4.4
1.2
OpenCL
1.2
N/A
Vulkan
N/A
-
-
-
5.0
Shader Model
5.0

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