Home GPU Comparison AMD Radeon HD 6990M Rebrand vs AMD Radeon RX 7600M XT

AMD Radeon HD 6990M Rebrand vs AMD Radeon RX 7600M XT

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 8GB VRAM Radeon RX 7600M XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages
Lower TDP (100W vs 120W)
AMD Radeon RX 7600M XT 's Advantages
Released 11 years and 6 months late
Boost Clock2469MHz
More VRAM (8GB vs 1024GB)
Larger VRAM bandwidth (288.0GB/s vs 70.40GB/s)
1248 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 6990M Rebrand
1.28 TFLOPS
Radeon RX 7600M XT +1480%
20.23 TFLOPS
VS

Graphics Card

Jul 2011
Release Date
Jan 2023
Vancouver
Generation
Navi Mobile
Mobile
Type
Mobile
MXM-B (3.0)
Bus Interface
PCIe 4.0 x16

Clock Speeds

-
Base Clock
1280 MHz
-
Boost Clock
2469 MHz
1100 MHz
Memory Clock
2250 MHz

Memory

1024MB
Memory Size
8GB
GDDR5
Memory Type
GDDR6
128bit
Memory Bus
128bit
70.40GB/s
Bandwidth
288.0GB/s

Render Config

14
Compute Units
32
-
-
-
800
Shading Units
2048
40
TMUs
128
16
ROPs
64
-
-
-
-
RT Cores
32
8 KB (per CU)
L1 Cache
128 KB per Array
256 KB
L2 Cache
2 MB
-
L3 Cache
32 MB

Theoretical Performance

12.80 GPixel/s
Pixel Rate
158.0 GPixel/s
32.00 GTexel/s
Texture Rate
316.0 GTexel/s
-
FP16 (half)
40.45 TFLOPS
1280 GFLOPS
FP32 (float)
20.23 TFLOPS
-
FP64 (double)
632.1 GFLOPS

Board Design

100W
TDP
120W
-
-
-
No outputs
Outputs
Portable Device Dependent
-
Power Connectors
None

Graphics Processor

Broadway
GPU Name
Navi 33
Broadway XTX
GPU Variant
Navi 33 XTM
TeraScale 2
Architecture
RDNA 3.0
TSMC
Foundry
TSMC
40 nm
Process Size
6 nm
1.04 billion
Transistors
13.3 billion
166 mm²
Die Size
204 mm²

Graphics Features

11.2 (11_0)
DirectX
12 Ultimate (12_2)
4.4
OpenGL
4.6
1.2
OpenCL
2.2
N/A
Vulkan
1.3
-
-
-
5.0
Shader Model
6.7

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