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

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

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

Main Differences

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
AMD Radeon HD 6990M Rebrand 's Advantages
Lower TDP (100W vs 120W)

Score

Benchmark

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

Graphics Card

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

Clock Speeds

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

Memory

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

Render Config

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

Theoretical Performance

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

Board Design

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

Graphics Processor

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

Graphics Features

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

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